| Giessen to Devnya | 1,022.98 mi (1,646.32 km) |
| Giessen to Dimitrovgrad | 996.46 mi (1,603.64 km) |
| Giessen to Dobrich | 1,019.71 mi (1,641.07 km) |
| Giessen to Dospat | 962.08 mi (1,548.32 km) |
| Giessen to Dupnitsa | 893.96 mi (1,438.69 km) |
| Giessen to Elhovo | 1,028.37 mi (1,655.00 km) |
| Giessen to Etropole | 899.60 mi (1,447.77 km) |
| Giessen to Gabrovo | 949.18 mi (1,527.55 km) |
| Giessen to Gorna Oryahovitsa | 951.85 mi (1,531.86 km) |
| Giessen to Gotse Delchev | 950.53 mi (1,529.73 km) |
| Giessen to Harmanli | 1,013.30 mi (1,630.75 km) |
| Giessen to Haskovo | 1,000.61 mi (1,610.33 km) |
| Giessen to Ihtiman | 911.24 mi (1,466.50 km) |
| Giessen to Isperih | 972.92 mi (1,565.76 km) |
| Giessen to Kardzhali | 1,006.41 mi (1,619.66 km) |
